Overview
This DN20 spiral wound gasket is engineered for high-performance sealing in demanding industrial piping systems. Designed for 150LB flanged connections, it provides a robust and reliable seal capable of withstanding elevated temperatures and pressures. The gasket is manufactured to the HG/T20631-2009 standard, ensuring dimensional consistency and material quality for reliable interchangeability and fit. Its construction is specifically tailored for applications where a resilient yet durable seal is critical to system integrity and safety.
Key Features
Spiral wound construction with inner and outer reinforcing rings Primary sealing element of flexible graphite filler Inner and outer windings made from Stainless Steel 304 Engineered for excellent creep resistance and recovery Conforms to HG/T20631-2009 industry standards Suitable for high-temperature and high-pressure service Provides a metal-to-metal seal with resilient filler
Specifications
Material: Stainless Steel 304 Nominal Pipe Size: DN20 Pressure Class: 150LB Standards: HG/T20631-2009 Connection Type: Flanged Gasket Style: Spiral Wound with Inner and Outer Rings Filler Material: Graphite Outside Diameter: Approximately 2.20 inches Inside Diameter: Approximately 0.81 inches Outer Ring Diameter: Approximately 1.56 inches Inner Ring Diameter: Approximately 1.00 inches Thickness: Approximately 0.18 inches Pack Quantity: 24 pieces
Applications
Chemical and petrochemical processing pipelines Power generation and boiler feed systems Oil and gas transmission and refining High-temperature steam lines Industrial plant maintenance and valve installations Any flanged connection requiring a seal for severe service conditions
